.isEmpty()

The .isEmpty() method returns true if a string has no content. It returns false if the string has content.

string.isEmpty();

• string: The string to be checked for content.

The example below applies the .isEmpty() method to the strings drink and food:

// isStringEmpty.java
class isStringEmpty {
  public static void main(String[] args) {
    String drink = "lemonade";
    String food = "";

    System.out.println(drink.isEmpty());
    System.out.println(food.isEmpty());
  }
}

This will print the following output:

false
true